/*
 * ==========================================================================================
 * =                   JAHIA'S DUAL LICENSING - IMPORTANT INFORMATION                       =
 * ==========================================================================================
 *
 *                                 http://www.jahia.com
 *
 *     Copyright (C) 2002-2020 Jahia Solutions Group SA. All rights reserved.
 *
 *     THIS FILE IS AVAILABLE UNDER TWO DIFFERENT LICENSES:
 *     1/GPL OR 2/JSEL
 *
 *     1/ GPL
 *     ==================================================================================
 *
 *     IF YOU DECIDE TO CHOOSE THE GPL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS:
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 *
 *     2/ JSEL - Commercial and Supported Versions of the program
 *     ===================================================================================
 *
 *     IF YOU DECIDE TO CHOOSE THE JSEL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS:
 *
 *     Alternatively, commercial and supported versions of the program - also known as
 *     Enterprise Distributions - must be used in accordance with the terms and conditions
 *     contained in a separate written agreement between you and Jahia Solutions Group SA.
 *
 *     If you are unsure which license is appropriate for your use,
 *     please contact the sales department at sales@jahia.com.
 */
package org.jahia.services.content.interceptor;

import static org.jahia.api.Constants.JCR_LASTMODIFIED;
import static org.jahia.api.Constants.MIX_LAST_MODIFIED;

import java.util.Locale;

import javax.jcr.ItemNotFoundException;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Value;
import javax.jcr.ValueFormatException;

import org.jahia.services.content.JCRNodeWrapper;
import org.jahia.services.content.JCRPropertyWrapper;
import org.jahia.services.content.nodetypes.ExtendedPropertyDefinition;

/**
 * Handles last modified date property considering translation sub-nodes.
 * @author toto
 * Date: Aug 5, 2010
 * Time: 6:08:37 PM
 */
public class LastModifiedInterceptor extends BaseInterceptor {
    
    @Override
    public boolean canApplyOnProperty(JCRNodeWrapper node, ExtendedPropertyDefinition definition)
            throws RepositoryException {
        return node.getSession().getLocale() != null && definition.getDeclaringNodeType().getName().equals(MIX_LAST_MODIFIED);
    }

    @Override
    public Value afterGetValue(JCRPropertyWrapper property, Value storedValue)
            throws ValueFormatException, RepositoryException {
        try {
            JCRNodeWrapper parent = property.getParent();
            Locale locale = property.getSession().getLocale();
            if (!parent.hasI18N(locale)) {
                return storedValue;
            }
            Node i18n = parent.getI18N(locale);
            if (i18n.hasProperty(JCR_LASTMODIFIED)) {
                final boolean isLM = property.getName().equals(JCR_LASTMODIFIED);
                Value lastModified = isLM ? storedValue :
                        property.getParent().getRealNode().getProperty(JCR_LASTMODIFIED).getValue();
                Value i18nLastModified = i18n.getProperty(JCR_LASTMODIFIED).getValue();
                if (i18nLastModified.getDate().after(lastModified.getDate())) {
                    return isLM ? i18nLastModified : i18n.getProperty(property.getName()).getValue();
                }
            }
        } catch (ItemNotFoundException e) {
        }
        return storedValue;
    }

}
